BDP-BX39, BDP-S390 - Sony DVD Service Manual (repair manual). Page 3

1.

SERVICE NOTE

1-1.  Disc Removal Procedure If  The Tray Cannot Be 
 

Ejected (Forced Ejection)  .............................................  1-1

1-2. Work when optical device are replaced  .......................  1-1
1-3. Test Disc  ......................................................................  1-2
  1-3-1.  Operation and Display .............................................  1-2

1-4. Drive 

Repairing..............................................................  1-15

  1-4-1.  Preparation ..............................................................  1-15
  1-4-2.  Checking Flow ~ Drive (BU) section ~ ....................  1-15
  1-4-3.  BU Check Flow [zz] ~ ..............................................  1-16
  1-4-4.  BU (Optical Block) Repair Guide .............................  1-16
  1-4-5.  BU Adjustment Flow [yy] ~ ......................................  1-17
  1-4-6.  KEM480AAA/C2RP1 Packing Spec ........................

  

1-17

  1-4-7.  KEM480AAA/C2RP1 Packing ..................................  1-18
  1-4-8.  BU Data Decode Jig ...............................................

9

1

-

1

 

 

  1-4-9.  Loading For Service

      ...............................................    1-20

  1-4-10.  Laser Caution Label ................................................  1-22

2.  DISASSEMBLY

2-1.

 

Disassembly Flow ......................................................... 2-1

2-2.

 

 

 2-1
2-3.

Side Panel .....................................................................

 

  

 2-2

2-4. Top Panel ...................................................................... 2-2
2-5.

Switching Regulator ......................................................

2-3

2-6.

2-3

2-7.

 

 

 2-4
2-8

  

Drive............................................................................... 2-4

3.   BLOCK  DIAGRAMS

3-1.

 

Overall Block Diagram ...................................................  3-1

3-2.

 

DSP Block Diagram .......................................................

2

-

3

 

 

3-3.

 

AV OUT Block Digram ................................................... 

3

-

3

 

 

3-4.

 

USB/ETHER/WIFI Block Diagram .................................

      

 3-4

3-5.

 

Power Block Diagram ....................................................        

3-5E

4.  SCHEMATIC 

DIAGRAM

4-1.

 This Note Is Common For Schematic Diagrams ...........

4-1

4-2.

 Frame Schematic Diagram.............................................

 4-2

4-3.

 FR-318 Board (FRONT LEFT) Schematic Diagram ......

4-3

4-4.

 FR-318 Board (USB FRONT) Schematic Diagram .......

4-4

MB-144 Board (DDR 3 A) 

Schematic Diagram (1/12) ............................................

4-5.

MB-144 Board (DDR 3 B) 
Schematic Diagram (2/12) ............................................

MB-144 Board (AUDIO/VIDEO) 

Schematic Diagram (9/12) .......................................... 4-13

4-14

MB-144 Board (GPIO/JTAG) 
Schematic Diagram (10/12) .........................................

MB-144 Board (FE_POWER/OP) 
Schematic Diagram (11/12) ......................................... 4-15

MB-144 Board (FE_POWER/MOTOR DRIVE)

Waveforms ................................................................... 4-17E

5.  

PRINTED  WIRING  BOARDS

5-1.  This Note Is Common For Printed Wiring Boards ........  5-1

 

 

)

T

F

E

L

 

T

N

O

R

F

(

 

d

r

a

o

B

 

8

1

3

-

R

F

 

.

2

-

5

5-3.  MB-144 Board (MAIN)
 

Printed Wiring Board (Side A)   ................................ ..  5-3

5-4.  MB-144 Board (MAIN) 
 

Printed Wiring Board (Side B) ......................................  5-4E

6.  

IC  PIN  FUNCTION  DESCRIPTION

 ...................  6-1

7.  

SE RVICE  MODE  .....................................................  7-1

8.  

ERROR  LOG  LIST

 .................................................  8-1

9.  TROUBLESHOOTING

 

.............................................  9-1

10.  

RE PAIR   PARTS  LIST

10-1. Exploded Views 

............................................................  10-1

  10-1-1.  Case Section ...........................................................  10-1

 

 

.

2

-

1

-

0

1

 

 ...........................................  

10-2

  10-1-3. 

Main Chassis Section

.............................................................  10-3

  10-1-4. 

BD Section

 ..........................................................  

10-4

Accessories

10-2.  Electrical Parts List .......................................................  10-5

Schematic Diagram (12/12) ......................................... 4-16

MB-144 Board (USB)

4-8

MB-144 Board (HDMI/VIDEO) 
Schematic Diagram (7/12) .......................................... 4-11
MB-144 Board (ETHERNET) 

Schematic Diagram (8/12) .......................................... 4-12

1-5.

 

Assembly Caution ......................................................... 1-23E

  1-3-2.  Main functions

 

.........................................................  1-9

4-7.

MB-144 Board (CLK/POWER2) 
Schematic Diagram (4/12) ............................................

4-6

4-8.

MB-144 Board (FLASH/HOST) 

Schematic Diagram (5/12) ............................................

4-7

4-6.

MB-144 Board (POWER) 
Schematic Diagram (3/12) ............................................

4-5

Tray Cover Assy ............................................................

FR-318 Board And WLAN Module ................................

MB-144 Board ...............................................................

Circuit Board Location ...................................................  2-5E

2-9

4-9

4-10

4-10.

4-9.

Schematic Diagram (6/12) ............................................

4-11.

4-12.

4-13.

4-14.

4-15.

4-16.

4-17.

Printed Wiring Board (Side A, Side B)   ...................... 5-2